<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<script>
    // 数组去重复思路
    let arr = [1,2,3,3,4,2,2,5,6,7,5];
    let re = [...new Set(arr)];
    console.log(re);




</script>



</body>
</html>